Nielsen Hayden genealogy
Family: Thomas Throckmorton / Margaret Olney (F12783)
m. Abt 1446John Throckmorton (1380-1445) 
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Eleanor Spinney ( -1467)
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Eleanor Throckmorton ( -1502)  |
| Thomas Throckmorton (1412-1472)
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| Margaret Olney ( -1493)
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| Robert Throckmorton (1451-1518) |
| John Throckmorton (1460-1507) |